1097136187 has 16 divisors (see below), whose sum is σ = 1262476800. Its totient is φ = 933970752.

The previous prime is 1097136169. The next prime is 1097136193. The reversal of 1097136187 is 7816317901.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1097136187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097136487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976408 + ... + 977530.

It is an arithmetic number, because the mean of its divisors is an integer number (78904800).

Almost surely, 2^1097136187 is an apocalyptic number.

1097136187 is a deficient number, since it is larger than the sum of its proper divisors (165340613).

1097136187 is a wasteful number, since it uses less digits than its factorization.

1097136187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 1097136187 is about 33123.0461612455. The cubic root of 1097136187 is about 1031.3835013846.

The spelling of 1097136187 in words is "one billion, ninety-seven million, one hundred thirty-six thousand, one hundred eighty-seven".